Chinese mystery film with a mysterious werewolf man.
石堅
as Kiu Yat-Po
曹達華
as Chief Insp. Liu Tat
Yu So-Chau
as Inspector No. 5
So Siu-Tong
as Wong San-Chi
Lee Suen
as Koo Mei-Chi
Lee Pang-Fei
as Yau Fong-Yan
陳惠瑜
as Mrs Yau/Koo Mei-Ling
Lai Kwan-lin
as Ah Yi
Chu Yau-Ko
as Detective A